The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
By the age of 60, most people have lost 50% of their taste buds.
17
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
By weight, Bone is five times stronger than steel.
417
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
On average, women have always lived longer than men.
195
The average sperm cell swims at 8 inches per hour.
76